SIAMA SAS: public contracts won without a rival in Colombia: 3 uncontested awards; 27% of its awards; 3 without a competition; 0 single bid.
Assay record ASY-CO-18HTVIW1T6 · Cite as: Assay Systems, “SIAMA SAS: public contracts won without a rival in Colombia”, https://assay-systems.com/register/co/uncontested/s/siama-sas/
SIAMA SAS won 3 of its 11 public contract awards in Colombia without a rival from 2022-12-15 to 2023-01-31: 3 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest E.S.P .PIEDECUESTANA DE SERVICIOS PUBLICOS with 2.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
E.S.P .PIEDECUESTANA DE SERVICIOS PUBLICOS gave SIAMA SAS 2 awards: 2 without a competition, 0 after a competition with a single bid. First 2022-12-15, latest 2023-01-25.
EMPRESAS PÚBLICAS MUNICIPALES DE MALAGA gave SIAMA SAS 1 award: 1 without a competition, 0 after a competition with a single bid. First 2023-01-31, latest 2023-01-31.
From 2022-08-04 to 2025-08-28 every award of CORPORACIÓN AUTÓNOMA REGIONAL PARA LA DEFENSA DE LA MESETA DE BUCARAMANGA in category 7712 went to SIAMA SAS.
All uncontested awards of CORPORACIÓN AUTÓNOMA REGIONAL PARA LA DEFENSA DE LA MESETA DE BUCARAMANGA
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2023-01-31 | EMPRESAS PÚBLICAS MUNICIPALES DE MALAGA CO1.PCCNTR.4503934 | No competition Contratación régimen especial | Regla aplicable |
| 2023-01-25 | E.S.P .PIEDECUESTANA DE SERVICIOS PUBLICOS CO1.PCCNTR.4472261 | No competition Contratación régimen especial | Regla aplicable |
| 2022-12-15 | E.S.P .PIEDECUESTANA DE SERVICIOS PUBLICOS CO1.PCCNTR.4315307 | No competition Contratación régimen especial | Regla aplicable |
Every uncontested award in Colombia · All countries · SIAMA SAS in the register
Source: SECOP II, Colombia Compra Eficiente open data (datos.gov.co). Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.